Potassium disulfite

Sigma-Aldrich Inc

Revision date : 2025-07-10

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GHS05
Health risk rating 3
Safety risk rating 1
Environmental risk rating 1

Note: Ingredients listed on restricted chemical lists

EC/CAS

16731-55-8

Name of the chemical

Dipotassium disulphite

Concentration

N/A

General Information

Version

6.12

Revision date

2025-07-10

Product name

Potassium disulfite

CAS No.

16731-55-8

1.2.1 Relevant identified uses

Laboratory chemicals, Synthesis of substances

1.2.2. Uses advised against

The product is being supplied under the TSCA R&D Exemption

Emergency telephone

800-424-9300, +1-703- 527-3887

Icons in SDS

GHS05 M004 M009 M010 M011 M017

Company Information

company name

Sigma-Aldrich Inc

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H315, H318

Hazard statements

Code

Statements

H315

Causes skin irritation

Section 2

SECTION 2: Hazards identification

2.3 Other hazards

Contact with acids liberates toxic gas.

Signal word

Danger

Hazard statements

H315 Causes skin irritation. H318 Causes serious eye damage.

Supplemental label elements

Corrosive to the respiratory tract.

Prevention

P264 Wash skin thoroughly after handling. P280 Wear protective gloves/ eye protection/ face protection.

Response

P302 + P352 IF ON SKIN: Wash with plenty of water. P305 + P351 + P338 + P310 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/ doctor. P332 + P313 If skin irritation occurs: Get medical advice/ attention. P362 + P364 Take off contaminated clothing and wash it before reuse.

2.1 Classification of the substance or mixture

(29 CFR 1910.1200) Skin irritation : Category 2 Serious eye damage : Category 1 Other hazards Contact with acids liberates toxic gas.

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